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Reference

Exact values, verified against the implementation.

Quick facts

S3 API 7600
Management API 7601
Web console 7602
Signing AWS SigV4 only
Addressing Path-style
Presign ceiling 604800 seconds (7 days)
Temporary credential lifetime 60–86400 seconds
Audit query limit 1–1000, default 100
Lifecycle expiration 1–36500 days

Not implemented

Documented so you do not go looking:

Status
Erasure coding Not implemented — nothing produces or reads erasure stripes
UploadPartCopy Unsupported
Server-side encryption request headers Unsupported — encryption is a deployment setting
Access control lists Unsupported — use policies
Object Lock Unsupported
aws-chunked transfer encoding Unsupported
Session tokens (STS-style) Not issued. Temporary credentials are plain key pairs